EKPO, T. U. U.; EKPO, N. T. Influence of vegetable cowpea (Vigna unquiculatasub species sesquipedalis) on weed biomass and soil Nitrogen fertility status in cassava intercrop:  International Journal of Innovational in Educational Methods, 11 (2) . Afrischolar Discovery Repository (Annex), [S. l.], p.  58–70, 2025. DOI: 10.60951/afrischolar-499. Disponível em: https://publications.afrischolar.net/index.php/home/article/view/499. Acesso em: 16 dec. 2025.